native/android/input.cpp

/*
 * Copyright (C) 2009 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#define LOG_TAG "input"
#include <utils/Log.h>

#include <android/input.h>
#include <ui/Input.h>
#include <ui/InputTransport.h>
#include <utils/PollLoop.h>
#include <utils/RefBase.h>
#include <utils/Vector.h>

#include <android_runtime/android_app_NativeActivity.h>

#include <poll.h>
#include <errno.h>

using android::InputEvent;
using android::KeyEvent;
using android::MotionEvent;
using android::InputDeviceInfo;
using android::InputDeviceProxy;
using android::sp;
using android::Vector;

int32_t AInputEvent_getType(const AInputEvent* event) {
    return static_cast<const InputEvent*>(event)->getType();
}

int32_t AInputEvent_getDeviceId(const AInputEvent* event) {
    return static_cast<const InputEvent*>(event)->getDeviceId();
}

int32_t AInputEvent_getSource(const AInputEvent* event) {
    return static_cast<const InputEvent*>(event)->getSource();
}

int32_t AKeyEvent_getAction(const AInputEvent* key_event) {
    return static_cast<const KeyEvent*>(key_event)->getAction();
}

int32_t AKeyEvent_getFlags(const AInputEvent* key_event) {
    return static_cast<const KeyEvent*>(key_event)->getFlags();
}

int32_t AKeyEvent_getKeyCode(const AInputEvent* key_event) {
    return static_cast<const KeyEvent*>(key_event)->getKeyCode();
}

int32_t AKeyEvent_getScanCode(const AInputEvent* key_event) {
    return static_cast<const KeyEvent*>(key_event)->getScanCode();
}

int32_t AKeyEvent_getMetaState(const AInputEvent* key_event) {
    return static_cast<const KeyEvent*>(key_event)->getMetaState();
}
int32_t AKeyEvent_getRepeatCount(const AInputEvent* key_event) {
    return static_cast<const KeyEvent*>(key_event)->getRepeatCount();
}

int64_t AKeyEvent_getDownTime(const AInputEvent* key_event) {
    return static_cast<const KeyEvent*>(key_event)->getDownTime();
}


int64_t AKeyEvent_getEventTime(const AInputEvent* key_event) {
    return static_cast<const KeyEvent*>(key_event)->getEventTime();
}

int32_t AMotionEvent_getAction(const AInputEvent* motion_event) {
    return static_cast<const MotionEvent*>(motion_event)->getAction();
}

int32_t AMotionEvent_getMetaState(const AInputEvent* motion_event) {
    return static_cast<const MotionEvent*>(motion_event)->getMetaState();
}

int32_t AMotionEvent_getEdgeFlags(const AInputEvent* motion_event) {
    return reinterpret_cast<const MotionEvent*>(motion_event)->getEdgeFlags();
}

int64_t AMotionEvent_getDownTime(const AInputEvent* motion_event) {
    return static_cast<const MotionEvent*>(motion_event)->getDownTime();
}

int64_t AMotionEvent_getEventTime(const AInputEvent* motion_event) {
    return static_cast<const MotionEvent*>(motion_event)->getEventTime();
}

float AMotionEvent_getXOffset(const AInputEvent* motion_event) {
    return static_cast<const MotionEvent*>(motion_event)->getXOffset();
}

float AMotionEvent_getYOffset(const AInputEvent* motion_event) {
    return static_cast<const MotionEvent*>(motion_event)->getYOffset();
}

float AMotionEvent_getXPrecision(const AInputEvent* motion_event) {
    return static_cast<const MotionEvent*>(motion_event)->getXPrecision();
}

float AMotionEvent_getYPrecision(const AInputEvent* motion_event) {
    return static_cast<const MotionEvent*>(motion_event)->getYPrecision();
}

size_t AMotionEvent_getPointerCount(const AInputEvent* motion_event) {
    return static_cast<const MotionEvent*>(motion_event)->getPointerCount();
}

int32_t AMotionEvent_getPointerId(const AInputEvent* motion_event, size_t pointer_index) {
    return static_cast<const MotionEvent*>(motion_event)->getPointerId(pointer_index);
}

float AMotionEvent_getRawX(const AInputEvent* motion_event, size_t pointer_index) {
    return static_cast<const MotionEvent*>(motion_event)->getRawX(pointer_index);
}

float AMotionEvent_getRawY(const AInputEvent* motion_event, size_t pointer_index) {
    return static_cast<const MotionEvent*>(motion_event)->getRawY(pointer_index);
}

float AMotionEvent_getX(const AInputEvent* motion_event, size_t pointer_index) {
    return static_cast<const MotionEvent*>(motion_event)->getX(pointer_index);
}

float AMotionEvent_getY(const AInputEvent* motion_event, size_t pointer_index) {
    return static_cast<const MotionEvent*>(motion_event)->getY(pointer_index);
}

float AMotionEvent_getPressure(const AInputEvent* motion_event, size_t pointer_index) {
    return static_cast<const MotionEvent*>(motion_event)->getPressure(pointer_index);
}

float AMotionEvent_getSize(const AInputEvent* motion_event, size_t pointer_index) {
    return static_cast<const MotionEvent*>(motion_event)->getSize(pointer_index);
}

float AMotionEvent_getTouchMajor(const AInputEvent* motion_event, size_t pointer_index) {
    return static_cast<const MotionEvent*>(motion_event)->getTouchMajor(pointer_index);
}

float AMotionEvent_getTouchMinor(const AInputEvent* motion_event, size_t pointer_index) {
    return static_cast<const MotionEvent*>(motion_event)->getTouchMinor(pointer_index);
}

float AMotionEvent_getToolMajor(const AInputEvent* motion_event, size_t pointer_index) {
    return static_cast<const MotionEvent*>(motion_event)->getToolMajor(pointer_index);
}

float AMotionEvent_getToolMinor(const AInputEvent* motion_event, size_t pointer_index) {
    return static_cast<const MotionEvent*>(motion_event)->getToolMinor(pointer_index);
}

float AMotionEvent_getOrientation(const AInputEvent* motion_event, size_t pointer_index) {
    return static_cast<const MotionEvent*>(motion_event)->getOrientation(pointer_index);
}

size_t AMotionEvent_getHistorySize(const AInputEvent* motion_event) {
    return static_cast<const MotionEvent*>(motion_event)->getHistorySize();
}

int64_t AMotionEvent_getHistoricalEventTime(AInputEvent* motion_event,
        size_t history_index) {
    return static_cast<const MotionEvent*>(motion_event)->getHistoricalEventTime(
            history_index);
}

float AMotionEvent_getHistoricalRawX(AInputEvent* motion_event, size_t pointer_index,
        size_t history_index) {
    return static_cast<const MotionEvent*>(motion_event)->getHistoricalRawX(
            pointer_index, history_index);
}

float AMotionEvent_getHistoricalRawY(AInputEvent* motion_event, size_t pointer_index,
        size_t history_index) {
    return static_cast<const MotionEvent*>(motion_event)->getHistoricalRawY(
            pointer_index, history_index);
}

float AMotionEvent_getHistoricalX(AInputEvent* motion_event, size_t pointer_index,
        size_t history_index) {
    return static_cast<const MotionEvent*>(motion_event)->getHistoricalX(
            pointer_index, history_index);
}

float AMotionEvent_getHistoricalY(AInputEvent* motion_event, size_t pointer_index,
        size_t history_index) {
    return static_cast<const MotionEvent*>(motion_event)->getHistoricalY(
            pointer_index, history_index);
}

float AMotionEvent_getHistoricalPressure(AInputEvent* motion_event, size_t pointer_index,
        size_t history_index) {
    return static_cast<const MotionEvent*>(motion_event)->getHistoricalPressure(
            pointer_index, history_index);
}

float AMotionEvent_getHistoricalSize(AInputEvent* motion_event, size_t pointer_index,
        size_t history_index) {
    return static_cast<const MotionEvent*>(motion_event)->getHistoricalSize(
            pointer_index, history_index);
}

float AMotionEvent_getHistoricalTouchMajor(AInputEvent* motion_event, size_t pointer_index,
        size_t history_index) {
    return static_cast<const MotionEvent*>(motion_event)->getHistoricalTouchMajor(
            pointer_index, history_index);
}

float AMotionEvent_getHistoricalTouchMinor(AInputEvent* motion_event, size_t pointer_index,
        size_t history_index) {
    return static_cast<const MotionEvent*>(motion_event)->getHistoricalTouchMinor(
            pointer_index, history_index);
}

float AMotionEvent_getHistoricalToolMajor(AInputEvent* motion_event, size_t pointer_index,
        size_t history_index) {
    return static_cast<const MotionEvent*>(motion_event)->getHistoricalToolMajor(
            pointer_index, history_index);
}

float AMotionEvent_getHistoricalToolMinor(AInputEvent* motion_event, size_t pointer_index,
        size_t history_index) {
    return static_cast<const MotionEvent*>(motion_event)->getHistoricalToolMinor(
            pointer_index, history_index);
}

float AMotionEvent_getHistoricalOrientation(AInputEvent* motion_event, size_t pointer_index,
        size_t history_index) {
    return static_cast<const MotionEvent*>(motion_event)->getHistoricalOrientation(
            pointer_index, history_index);
}


void AInputQueue_attachLooper(AInputQueue* queue, ALooper* looper,
        ALooper_callbackFunc* callback, void* data) {
    queue->attachLooper(looper, callback, data);
}

void AInputQueue_detachLooper(AInputQueue* queue) {
    queue->detachLooper();
}

int32_t AInputQueue_hasEvents(AInputQueue* queue) {
    return queue->hasEvents();
}

int32_t AInputQueue_getEvent(AInputQueue* queue, AInputEvent** outEvent) {
    return queue->getEvent(outEvent);
}

int32_t AInputQueue_preDispatchEvent(AInputQueue* queue, AInputEvent* event) {
    return queue->preDispatchEvent(event) ? 1 : 0;
}

void AInputQueue_finishEvent(AInputQueue* queue, AInputEvent* event, int handled) {
    queue->finishEvent(event, handled != 0);
}


int32_t AInputDevice_getDeviceIds(int32_t* idBuf, size_t nMax, size_t* nActual) {
    Vector<int32_t> ids;
    InputDeviceProxy::getDeviceIds(ids);

    if (nActual) {
        *nActual = ids.size();
    }

    if (idBuf && ids.size() < nMax) {
        memcpy(idBuf, ids.array(), ids.size() * sizeof(int32_t));
        return 0;
    }

    return -ENOMEM;
}

AInputDevice* AInputDevice_acquire(int32_t deviceId) {
    sp<InputDeviceProxy> proxy(InputDeviceProxy::getDevice(deviceId));
    if (proxy == NULL) {
        return NULL;
    }
    proxy->incStrong((void*)AInputDevice_acquire);
    return static_cast<AInputDevice*>(proxy.get());
}

void AInputDevice_release(AInputDevice* device) {
    if (device) {
        InputDeviceProxy* proxy = static_cast<InputDeviceProxy*>(device);
        proxy->decStrong((void*)AInputDevice_acquire);
    }
}

const char* AInputDevice_getName(AInputDevice* device) {
    InputDeviceProxy* proxy = static_cast<InputDeviceProxy*>(device);
    return proxy->getInfo()->getName().string();
}

uint32_t AInputDevice_getSources(AInputDevice* device) {
    InputDeviceProxy* proxy = static_cast<InputDeviceProxy*>(device);
    return proxy->getInfo()->getSources();
}

int32_t AInputDevice_getKeyboardType(AInputDevice* device) {
    InputDeviceProxy* proxy = static_cast<InputDeviceProxy*>(device);
    return proxy->getInfo()->getKeyboardType();
}

int32_t AInputDevice_getMotionRange(AInputDevice* device, int32_t rangeType,
        float* outMin, float* outMax, float* outFlat, float* outFuzz) {
    InputDeviceProxy* proxy = static_cast<InputDeviceProxy*>(device);
    const InputDeviceInfo::MotionRange* range = proxy->getInfo()->getMotionRange(rangeType);
    if (range) {
        if (outMin) {
            *outMin = range->min;
        }
        if (outMax) {
            *outMax = range->max;
        }
        if (outFlat) {
            *outFlat = range->flat;
        }
        if (outFuzz) {
            *outFuzz = range->fuzz;
        }
        return 0;
    } else {
        return -ENOTSUP;
    }
}